Engineering insights, product updates, and guides from the Marathon Labs team.https://blog.marathonlabs.io/https://blog.marathonlabs.io/blog/dogfooding-emu-building-mellow/https://blog.marathonlabs.io/blog/dogfooding-emu-building-mellow/What happens when you build a developer tool and then use it to build a real app? Bugs, revelations, and 30 screens across 4 form factors.Fri, 17 Jul 2026 00:00:00 GMThttps://blog.marathonlabs.io/blog/migrate-from-firebase-test-lab/https://blog.marathonlabs.io/blog/migrate-from-firebase-test-lab/A step-by-step guide for teams moving off Firebase Test Lab. Replace GCloud CLI + Flank with a single command, eliminate the 45-minute timeout, and get per-test retries instead of suite-level reruns.Wed, 29 Apr 2026 00:00:00 GMThttps://blog.marathonlabs.io/blog/why-mobile-testing-breaks/https://blog.marathonlabs.io/blog/why-mobile-testing-breaks/After speaking with 170+ engineering and QA leaders, here's what actually breaks mobile testing pipelines — and how top teams fix it.Mon, 17 Nov 2025 00:00:00 GMThttps://blog.marathonlabs.io/blog/case-study-tinder/https://blog.marathonlabs.io/blog/case-study-tinder/Tinder replaced 30 AWS Genymotion emulators and 16 Mac EC2 instances with Marathon Cloud. Test cycles dropped from 3 hours to under 20 minutes. iOS stability went from 80% to 98%.Mon, 16 Jun 2025 00:00:00 GMThttps://blog.marathonlabs.io/blog/case-study-peloton/https://blog.marathonlabs.io/blog/case-study-peloton/Peloton hit Firebase Test Lab's limits on Android TV and wearables. Switched to Marathon Cloud. Wearable tests went from 1.5 hours to 10 minutes.Mon, 02 Jun 2025 00:00:00 GMThttps://blog.marathonlabs.io/blog/android-ui-tests-existing-solutions-part-3/https://blog.marathonlabs.io/blog/android-ui-tests-existing-solutions-part-3/A detailed comparison of BrowserStack and Firebase Test Lab for running Android UI tests on every pull request, covering stability, speed, reports, cost, and security.Mon, 24 Mar 2025 00:00:00 GMThttps://blog.marathonlabs.io/blog/android-ui-tests-cost-part-2/https://blog.marathonlabs.io/blog/android-ui-tests-cost-part-2/Breaking down the real cost of running UI tests on every pull request: device-per-month vs pay-per-minute pricing models compared.Mon, 03 Mar 2025 00:00:00 GMThttps://blog.marathonlabs.io/blog/apple-virtualization-framework/https://blog.marathonlabs.io/blog/apple-virtualization-framework/Exploring undocumented quirks of Apple's Virtualization.Framework — from snapshotted VM crashes to audio device issues that broke our video tests.Wed, 07 Aug 2024 00:00:00 GMThttps://blog.marathonlabs.io/blog/android-ui-tests-part-5/https://blog.marathonlabs.io/blog/android-ui-tests-part-5/The final comparison in the series — emulator.wtf and Marathon Cloud evaluated for running Android UI tests on every pull request.Tue, 20 Jun 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/run-android-tests-marathon-cloud/https://blog.marathonlabs.io/blog/run-android-tests-marathon-cloud/A step-by-step guide to running your first Android instrumentation tests on Marathon Cloud — via the UI dashboard and CLI.Tue, 20 Jun 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/run-ios-tests-marathon-cloud/https://blog.marathonlabs.io/blog/run-ios-tests-marathon-cloud/A step-by-step guide to running your first iOS XCUITest suite on Marathon Cloud — via the UI dashboard and CLI.Tue, 20 Jun 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/android-ui-tests-part-4/https://blog.marathonlabs.io/blog/android-ui-tests-part-4/Evaluating SauceLabs, AWS Device Farm, LambdaTest, and Perfecto Mobile for running Android UI tests on every pull request.Wed, 31 May 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/ios-tests-cloud-providers/https://blog.marathonlabs.io/blog/ios-tests-cloud-providers/A comprehensive comparison of cloud providers for running iOS tests, including Firebase Test Lab, SauceLabs, Marathon Cloud, and CI/CD platforms.Thu, 27 Apr 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/testing-fundamentals-reliability/https://blog.marathonlabs.io/blog/testing-fundamentals-reliability/Understanding why tests behave unexpectedly and what we can do about flakiness — from determinism to retry strategies.Thu, 20 Apr 2023 00:00:00 GMThttps://blog.marathonlabs.io/blog/ios-tests-mac-mini-providers/https://blog.marathonlabs.io/blog/ios-tests-mac-mini-providers/A guide to Mac mini rental providers for running iOS tests on CI, covering pricing, setup complexity, and when to consider cloud alternatives.Thu, 06 Apr 2023 00:00:00 GMT